Re: [ccp4bb] mysterious density

2022-03-13 Thread David Briggs
MES or HEPES, I reckon.

Both of them can lose definition for the electron density in the 
morpolino/piperazine 6-membered ring due to flexibility between the ring and 
the sulphonic acid group when - leading to the tadpole-like density you 
describe.

HTH,

Dave


--

Dr David C. Briggs CSci

Senior Laboratory Research Scientist

Signalling and Structural Biology Lab

The Francis Crick Institute

London, UK

==

Diamond User Group (DUC) MX representative

==

about.me/david_briggs


From: CCP4 bulletin board  on behalf of Xavier 
Brazzolotto 
Sent: 13 March 2022 17:28
To: CCP4BB@JISCMAIL.AC.UK 
Subject: Re: [ccp4bb] mysterious density


External Sender: Use caution.


A MES buffer molecule ?

> Le 13 mars 2022 à 18:08, doriano lamba  a écrit :
>
> Glycerol-3-phosphate?
> My 2cents
> DL
> Il 2022-03-13 15:19 Amir Khan ha scritto:
>> Hi,
>> I wonder whether anyone can advise on the ‘tadpole’ like density.
>> The head is currently a phosphate
>> and I’ve placed a water in tail, but it obviously looks connected…
>> would appreciate any help!
>> Green density at 5 sigma (Fo-fc), while blue is 2fo-fc at 1.3 sigma.
>> Crystallization condition is unknown, though it came from sparse
>> matrix commercial (either Wizard, Pact Prem, or JCSG+).
>> Thanks!
>> Amir
>> -
>> To unsubscribe from the CCP4BB list, click the following link:
>> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.jiscmail.ac.uk%2Fcgi-bin%2FWA-JISC.exe%3FSUBED1%3DCCP4BB%26A%3D1data=04%7C01%7C%7C7d385d0717a84b8e803f08da0516f581%7C4eed7807ebad415aa7a99170947f4eae%7C0%7C1%7C637827893421508121%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=GMEp7d3NUTKAFTwTTbDEBxMIvpjtlIikUsiGJ0BPOU4%3Dreserved=0
>
> --
> Dr. Doriano Lamba
> Scientific Associate - Retired Fellow
>
> Istituto di Cristallografia - C.N.R.
> Sede Secondaria di Trieste
> Area Science Park - Basovizza
> Building Q1 - Room 106
> Strada Statale 14 - Km. 163.5
> I-34149 Trieste - Italy
>
> Mobile Phone: ++39 330411796
> Skype-name: doriano.lamba
> E-mail: doriano.la...@ic.cnr.it
>
> ___
> WoS ResearchID: 
> https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Fwww.researcherid.com%2Frid%2FB-2961-2011data=04%7C01%7C%7C7d385d0717a84b8e803f08da0516f581%7C4eed7807ebad415aa7a99170947f4eae%7C0%7C1%7C637827893421508121%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=A49X0X0K0b3MaJJKNb11fMAj%2BEjHfimVJE1PvjDK2MQ%3Dreserved=0
> ORCID ID:   
> https://eur03.safelinks.protection.outlook.com/?url=http%3A%2F%2Forcid.org%2F-0001-6859-7868data=04%7C01%7C%7C7d385d0717a84b8e803f08da0516f581%7C4eed7807ebad415aa7a99170947f4eae%7C0%7C1%7C637827893421508121%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=Mbn800FFWsZG0paCU69MtcJ2r4CuK4BzDvxzd627e08%3Dreserved=0
> Google Scholar: 
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fscholar.google.it%2Fcitations%3Fhl%3Den%26user%3DYzLT5gUJ%26view_op%3Dlist_worksdata=04%7C01%7C%7C7d385d0717a84b8e803f08da0516f581%7C4eed7807ebad415aa7a99170947f4eae%7C0%7C1%7C637827893421508121%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=yUYqI%2FNbMT4mCJFvQXoImX8zGggKaWqcExJxtfuzQpc%3Dreserved=0
> Research Gate:  
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.researchgate.net%2Fprofile%2FDoriano_Lamba2data=04%7C01%7C%7C7d385d0717a84b8e803f08da0516f581%7C4eed7807ebad415aa7a99170947f4eae%7C0%7C1%7C637827893421508121%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=Lf8RF535aB1ZvKm9WwR1KlUUGm2Pbk1cxtShLYTfuB8%3Dreserved=0
> Scopus ID:  
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.scopus.com%2Fauthid%2Fdetail.url%3FauthorId%3D7003374970data=04%7C01%7C%7C7d385d0717a84b8e803f08da0516f581%7C4eed7807ebad415aa7a99170947f4eae%7C0%7C1%7C637827893421508121%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=XTri3uAv3UqbTYj9w5mhK%2Bj1Mn6F8iFLxVievJssg1g%3Dreserved=0
>
> 
>
> To unsubscribe from the CCP4BB list, click the following link:
> https://eur03.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.jiscmail.ac.uk%2Fcgi-bin%2FWA-JISC.exe%3FSUBED1%3DCCP4BB%26A%3D1data=04%7C01%7C%7C7d385d0717a84b8e803f08da0516f581%7C4eed7807ebad415aa7a99170947f4eae%7C0%7C1%7C637827893421508121%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000sdata=GMEp7d3NUTKAFTwTTbDEBxMIvpjtlIikUsiGJ0BPOU4%3Dreserved=0
>
> This message was issued to members of 
> 

Re: [ccp4bb] mysterious density

2022-03-13 Thread Xavier Brazzolotto
A MES buffer molecule ?

> Le 13 mars 2022 à 18:08, doriano lamba  a écrit :
> 
> Glycerol-3-phosphate?
> My 2cents
> DL
> Il 2022-03-13 15:19 Amir Khan ha scritto:
>> Hi,
>> I wonder whether anyone can advise on the ‘tadpole’ like density.
>> The head is currently a phosphate
>> and I’ve placed a water in tail, but it obviously looks connected…
>> would appreciate any help!
>> Green density at 5 sigma (Fo-fc), while blue is 2fo-fc at 1.3 sigma.
>> Crystallization condition is unknown, though it came from sparse
>> matrix commercial (either Wizard, Pact Prem, or JCSG+).
>> Thanks!
>> Amir
>> -
>> To unsubscribe from the CCP4BB list, click the following link:
>> https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB=1
> 
> -- 
> Dr. Doriano Lamba
> Scientific Associate - Retired Fellow
> 
> Istituto di Cristallografia - C.N.R.
> Sede Secondaria di Trieste
> Area Science Park - Basovizza
> Building Q1 - Room 106
> Strada Statale 14 - Km. 163.5
> I-34149 Trieste - Italy
> 
> Mobile Phone: ++39 330411796
> Skype-name: doriano.lamba
> E-mail: doriano.la...@ic.cnr.it
> 
> ___
> WoS ResearchID: http://www.researcherid.com/rid/B-2961-2011
> ORCID ID:   http://orcid.org/-0001-6859-7868
> Google Scholar: 
> https://scholar.google.it/citations?hl=en=YzLT5gUJ_op=list_works
> Research Gate:  https://www.researchgate.net/profile/Doriano_Lamba2
> Scopus ID:  https://www.scopus.com/authid/detail.url?authorId=7003374970
> 
> 
> 
> To unsubscribe from the CCP4BB list, click the following link:
> https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB=1
> 
> This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing 
> list hosted by www.jiscmail.ac.uk, terms & conditions are available at 
> https://www.jiscmail.ac.uk/policyandsecurity/



To unsubscribe from the CCP4BB list, click the following link:
https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB=1

This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing list 
hosted by www.jiscmail.ac.uk, terms & conditions are available at 
https://www.jiscmail.ac.uk/policyandsecurity/


Re: [ccp4bb] Adding hydrogens to a specific residue using Coot

2022-03-13 Thread Paul Emsley

On 13/03/2022 14:05, Tomas Malinauskas wrote:

Dear All,

Is it possible to add hydrogens to a specific residue using Coot?
Something like Calculate -> Scripting -> Python -> coot_reduce(0) but
targeting one residue only.



sprout_hydrogens(0, "L", 101, "")  # or some such: molecule-number 
chain-id res-no ins-code




To unsubscribe from the CCP4BB list, click the following link:
https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB=1

This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing list 
hosted by www.jiscmail.ac.uk, terms & conditions are available at 
https://www.jiscmail.ac.uk/policyandsecurity/


[ccp4bb] Adding hydrogens to a specific residue using Coot

2022-03-13 Thread Tomas Malinauskas
Dear All,

Is it possible to add hydrogens to a specific residue using Coot?
Something like Calculate -> Scripting -> Python -> coot_reduce(0) but
targeting one residue only.

I thank you for your help.

Best wishes,
Tomas



To unsubscribe from the CCP4BB list, click the following link:
https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB=1

This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing list 
hosted by www.jiscmail.ac.uk, terms & conditions are available at 
https://www.jiscmail.ac.uk/policyandsecurity/